Thaddaeus: Name Meaning, Origin & Popularity

At a Glance: Name: Thaddaeus – Origin: Aramaic (via Ancient Greek) – Gender: Boy – Pronunciation: THAD-ee-uhs


Thaddaeus is an Aramaic (via Ancient Greek) boy's name. It appears in our list of 150+ Unique Biblical Boy Names with Meanings.

Meaning & Origin of Thaddaeus

Origin: Aramaic (via Ancient Greek).

A common claim: Heart / courageous Actually: This gloss circulates widely but rests on a disputed proposed Aramaic root, and it isn't confirmed by Wiktionary.

Source: Wiktionary.

How to Pronounce Thaddaeus

Phonetic: THAD-ee-uhs   IPA: /ˈθædiəs/

Popularity of Thaddaeus

Source: U.S. Social Security Administration birth-name data, 1924–2024.

Lists That Include Thaddaeus

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